/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common
* Development and Distribution License("CDDL") (collectively, the
* "License"). You may not use this file except in compliance with the
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*
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package org.netbeans.modules.projectimport.eclipse;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.logging.Logger;
import org.netbeans.modules.projectimport.LoggerFactory;
/**
* Represents classpath for an Eclipse project (.classpath file content)
*
* @author mkrauskopf
*/
final class ClassPath {
/**
* Logger for this class
*/
private static final Logger logger =
LoggerFactory.getDefault().createLogger(ClassPath.class);
/** Represents link in Eclipse project's classpath. */
static class Link {
public static final int TYPE_INVALID = 0;
public static final int TYPE_FILE = 1;
public static final int TYPE_FOLDER = 2;
private String name;
private int type = TYPE_INVALID;
private String location;
String getName() {
return name;
}
void setName(String name) {
this.name = name;
}
int getType() {
return type;
}
void setType(int type) {
this.type = type;
}
String getLocation() {
return location;
}
void setLocation(String location) {
this.location = location;
}
public String toString() {
return name + " = " + location + " (type: " + type + ")"; // NOI18N
}
public boolean equals(Object obj) {
if (this == obj) return true;
if (!(obj instanceof Link)) return false;
final Link link = (Link) obj;
if (type != link.type) return false;
if (name != null ? !name.equals(link.name) : link.name != null)
return false;
if (location != null ? !location.equals(link.location) : link.location != null)
return false;
return true;
}
public int hashCode() {
int result = 17;
result = 37 * result + type;
result = 37 * result + System.identityHashCode(name);
result = 37 * result + System.identityHashCode(location);
return result;
}
}
private static final String USER_LIBRARY_PREFIX
= "org.eclipse.jdt.USER_LIBRARY/"; // NOI18N
private static final int USER_LIBRARY_PREFIX_LENGTH = USER_LIBRARY_PREFIX.length();
private ClassPathEntry output;
private Collection/*<ClassPathEntry>*/ pathEntries = Collections.EMPTY_LIST;
private String jreContainer;
private Collection/*<ClassPathEntry>*/ sourceRoots;
private Collection/*<ClassPathEntry>*/ externalSourceRoots;
private Collection/*<ClassPathEntry>*/ libraries;
private Collection/*<ClassPathEntry>*/ externalLibraries;
private Collection/*<ClassPathEntry>*/ projects;
private Collection/*<ClassPathEntry>*/ variables;
private Collection/*<ClassPathEntry>*/ userLibraries;
/**
* Adds a given entry to entries list. If entry is output output member is
* set.
*/
void addEntry(ClassPathEntry entry) {
if (entry != null){
if (entry.getType() == ClassPathEntry.TYPE_OUTPUT) {
output = entry;
} else {
addSource(entry);
}
}
}
private void addSource(ClassPathEntry path) {
if (pathEntries == Collections.EMPTY_LIST) {
pathEntries = new ArrayList();
}
pathEntries.add(path);
}
ClassPathEntry getOutput() {
return output;
}
Collection/*<ClassPathEntry>*/ getEntries() {
return pathEntries;
}
private Collection/*<ClassPathEntry>*/ getEntriesByType(ClassPathEntry.Type type) {
Collection/*<ClassPathEntry>*/ entries = new ArrayList();
for (Iterator it = pathEntries.iterator(); it.hasNext(); ) {
ClassPathEntry entry = (ClassPathEntry) it.next();
if (entry.getType() == type) {
entries.add(entry);
}
}
return entries;
}
/**
* Just provides more convenient access to source entries.
*
* @see #getEntries()
*/
Collection/*<ClassPathEntry>*/ getSourceRoots() {
// lazy initialization
if (sourceRoots == null) {
sourceRoots = getEntriesByType(ClassPathEntry.TYPE_SOURCE);
}
return sourceRoots;
}
/**
* Returns container classpath entry for JRE.
*
* @see #getEntries()
*/
String getJREContainer() {
// lazy initialization
if (jreContainer == null) {
Collection col = getEntriesByType(ClassPathEntry.TYPE_CONTAINER);
for (Iterator it = col.iterator(); it.hasNext(); ) {
ClassPathEntry cpe = (ClassPathEntry) it.next();
if (cpe.getRawPath().startsWith(Workspace.DEFAULT_JRE_CONTAINER)) {
jreContainer = cpe.getRawPath();
logger.finest("jreContainer found: " + jreContainer); // NOI18N
break;
}
}
if (jreContainer == null) {
logger.fine("jreContainer wasn't found in classpath entries!"); // NOI18N
logger.fine("Classpath entries: " + this.getEntries()); // NOI18N
}
}
return jreContainer;
}
/**
* Just provides more convenient access to external source entries.
*
* @see #getEntries()
*/
Collection/*<ClassPathEntry>*/ getExternalSourceRoots() {
// lazy initialization
if (externalSourceRoots == null) {
externalSourceRoots = getEntriesByType(ClassPathEntry.TYPE_LINK);
}
return externalSourceRoots;
}
/**
* Just provides more convenient access to library entries.
*
* @see #getEntries()
*/
Collection/*<ClassPathEntry>*/ getLibraries() {
// lazy initialization
if (libraries == null) {
libraries = getEntriesByType(ClassPathEntry.TYPE_LIBRARY);
}
return libraries;
}
/**
* Just provides more convenient access to external library entries.
*
* @see #getEntries()
*/
Collection/*<ClassPathEntry>*/ getExternalLibraries() {
// lazy initialization
if (externalLibraries == null) {
externalLibraries = getEntriesByType(ClassPathEntry.TYPE_EXTERNAL_LIBRARY);
}
return externalLibraries;
}
/**
* Returns collection of names of user defined libraries.
*/
Collection/*<String>*/ getUserLibraries() {
// lazy initialization
if (userLibraries == null) {
Collection col = getEntriesByType(ClassPathEntry.TYPE_CONTAINER);
userLibraries = new HashSet();
for (Iterator it = col.iterator(); it.hasNext(); ) {
ClassPathEntry cpe = (ClassPathEntry) it.next();
String rawPath = cpe.getRawPath();
if (rawPath.startsWith(USER_LIBRARY_PREFIX)) {
userLibraries.add(rawPath.substring(USER_LIBRARY_PREFIX_LENGTH));
}
}
}
return userLibraries;
}
/**
* Just provides more convenient access to project entries.
*
* @see #getEntries()
*/
Collection/*<ClassPathEntry>*/ getProjects() {
// lazy initialization
if (projects == null) {
projects = getEntriesByType(ClassPathEntry.TYPE_PROJECT);
}
return projects;
}
/**
* Just provides more convenient access to project entries.
*
* @see #getEntries()
*/
Collection/*<ClassPathEntry>*/ getVariables() {
// lazy initialization
if (variables == null) {
variables = getEntriesByType(ClassPathEntry.TYPE_VARIABLE);
}
return variables;
}
}
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